Two Step Equations

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Across
  1. 4. the value that appears most frequently in a set
  2. 5. to find the value of something
  3. 7. a set of two numbers that when added together equal zero.
  4. 10. pairs of mathematical manipulations in which one operation undoes the action of the other
  5. 11. words or phrases used to describe a thing or express a concept, especially in a particular language or branch of study.
  6. 12. a statement that the values of two mathematical expressions are equal
Down
  1. 1. a number or symbol by which another number or symbol (as a mathematical variable) is multiplied
  2. 2. a branch of mathematics that uses mathematical statements to describe relationships between things that vary
  3. 3. A symbol that represents a mathematical object
  4. 6. a statement having minimum of two numbers, or variables, or both and an operator
  5. 8. of, relating to, resembling, or having a graph that is a line and especially a straight line
  6. 9. something invariable or unchanging: